Question about Chevrolet Malibu

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I have just purchased a 1998 malabu with a 3.1 engine. It has a rattle when cold. Any ideas? I've been told not to worry.

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ENGINE RATTLING NOISE COULD COME FROM LOOSELY MOUNTED ACCESORIES SUCH AS THE ALTERNATOR ,AIR CONDITIONER COMPRESSOR, CRANK SHAFT PULLEY OR HARMONIC BALANCE PULLEY,VALVE TAPPETS MAKE NOISE IF ENGINE OIL TOO THICK.FAULTY CLUTCH RELEASE BEARING MAKE RATTLING NOISE.

Posted on May 26, 2011

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  • Chevrolet Master
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IAC (IDLE AIR CONTROL) should be replaced. You will be amazed at the difference when you change it.

Posted on May 26, 2011

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1 Answer

Do 8.1 engines make a noise when cold


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2 Answers

I here a rattle wen i press the gas which last for about 3 seconds than the engine is quite again


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Rattling noise in rear


could be coming from 3 spots
1 engine mounts = mounts go bad try shaking the motor when its cold to see if you can hear it
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you have answered your own question ,also a regrind of crank wouldnt go far amiss

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